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Finding the Fourth Proportional to 298,797.40, 448,440.90 and 296,464.60

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Solution

The fourth proportional to 298,797.40, 448,440.90 and 296,464.60 is: 444,939.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,797.40 : 448,440.90 = 296,464.60 : x
  2. Step 2: Convert to fraction form
    298,797.40/448,440.90 = 296,464.60/x
  3. Step 3: Cross multiply
    298,797.40x = 448,440.90 × 296,464.60
  4. Step 4: Simplify right side
    298,797.40x = 132,946,852,042.14
  5. Step 5: Solve for x
    x = 132,946,852,042.14/298,797.40
  6. Step 6: Final answer
    x = 444,939.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.